| 摘要 |
<p>The invention relates to a device (2) for monitoring a welding area of an object (14) in connection with welding, which device comprises means (3) for reproduction of the welding area, at least one filter (4) arranged in front of or in the reproduction means (3), and means (5) for illumination of the welding area with ultraviolet radiation. The filter (4) consists of a band-pass filter which is adapted for filtering around a wavelength within the ultraviolet wavelength range.</p> |
